Raymarine manual Pathfinder Radar Scanners

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Pathfinder Radar Scanners

•Access: The scanner unit site should be easily accessible to allow maintenance to be carried out safely.

•Magnetic compass: Mount the scanner unit at least 1 m away from a magnetic compass.

•Cable run: The maximum length of cable between the display unit and the scanner unit should not normally exceed 20 m (60 ft) for radome scanners, or 15 m (45 ft) for open array scanners. If you need to use a longer cable power cable lengths must be con- sidered, refer to Section 1.4 Cable Runs to determine appropriate lengths.

•Shadow sectors and false echoes: Mount the scanner away from large structures or equipment, such as the fly bridge, large engine stacks, searchlights, horns, or masts. It is particularly important to avoid shadow sectors near the bow. Raising or even lowering the scanner may help to reduce these effects.

In shadow areas beyond the obstruction there will be a reduction of the beam intensity, although not necessarily a complete cut-off; there will be a blind sector if the subtended angle is more than a few degrees.

In some shadow sectors the beam intensity may not be sufficient to obtain an echo from a very small object, even at close range, despite the fact that a large vessel can be detected at a much greater range. For this reason the angular width and relative bear- ing of any shadow sector must be determined at installation. Sometimes shadowing can be seen by increasing the radar gain until noise is present. Dark sectors indicate possible shadowed areas. This information should be posted near the display unit and operators must be alert for targets in these blind sectors.

It should also be noted that wet sails create shadow areas and thus sail boat operators should be aware that radar performance may reduce in rain.

If you mount the scanner on a mast, echoes from the mast may appear on the radar display. These can be minimized by placing absorbing material, such as a block of wood, between the scanner and mast.

•Platform rigidity/stability: The scanner platform should not twist (causing bearing errors) or be subject to excessive vibration.

•Heat/fumes: Mount the scanner away from the top of exhaust stacks, since the scanner and cables can be damaged by excessive heat and the corrosive effects of exhaust gases.

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Contents Pathfinder Radar Scanners Page Pathfinder Radar Scanners Owners Handbook OctoberPathfinder Radar Scanners Preface Display Software VersionWarranty Contents Appendix a Overview IntroductionEMC installation guidelines This handbook is divided into three chapters as followsConnections to Other Equipment Unpacking and inspecting the components OptionSupplied with For Supplied with Option for Selecting the scanner unit site Radome Scanner Weight Open Array ScannersPathfinder Radar Scanners Mounting surface power boats Mounting surface sailboatsSetting the radiation plane Ideal Radiation PlaneCable runs Rejoining CablesInter-unit cable Scanner Package Inter-Unit CableInter-Unit Cable Scanner Package Radome scanner cables2DE Eur Power cable Radome Scanner Inter-Unit CablesOpen array scanner cables Systems 4 kW scanners only32 V Systems 4 kW scanners Inter-Unit Cable KW Scanners32 V Systems 10kW scanners Power Cable Core Size each core 32 V systemsKW Scanners Pathfinder Radar Scanners Installing the Scanner Connecting the radome scanner inter-unit cable Inner cover White wire Installing the Scanner Pathfinder Radar Scanners Open array scanner Securing the pedestal to the mounting platform Connecting the open array scanner inter-unit cable Heatshrink Heat Shrinking of Wires Do not grease the gasket in the pedestal lid Fitting the open array to the pedestal DC power connection Power ConnectionsSystem connections Grounding the radar systemScanner connection Vessels Device Open Array Systems Radome Supply 10 kWDisplay Front view Display Cable ConnectorScanner Connector Panels Display unit connectionPathfinder Radar Scanners Set up, alignment and timing checks Switch on and initial set upSystem Checks and Alignment EMC ConformanceDisplay timing adjustment Open array position alignmentChecking transmission Bearing alignmentServicing and Safety MaintenanceRoutine Checks Problem Solving Problem CorrectionHow to Contact Raytheon US For Marine Product and Services InformationFor Accessories and Parts For Technical SupportHow to Contact Raytheon Europe For Product Repair and ServiceWorldwide Support Accessories and PartsTechnical Support Pathfinder Radar Scanners 2D 18 Radome Scanner Unit GeneralTransmitter Antenna4D 24 Radome Scanner Unit ReceiverIncluding Low Noise Converter/Limiter & if Receiver 5S and 9S 48 Open Array Scanner Unit Pulse Length/PRFAppendix a Specification 9S Transmitter 10 kWReceiver Noise Figure Less than 5 dB 7S and 11S 72 Open Array Scanner Unit 7S Transmitter 4 kW11S Transmitter 10 kW Appendix a Specification Pathfinder Radar Scanners Index Pathfinder Radar Scanners
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